Difference between revisions of "OBS-Studio/C2/Audio-and-Output-settings-in-OBS/English"

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|-  
 
|-  
 
|| '''Slide''': Title
 
|| '''Slide''': Title
−
|| Welcome to the '''spoken tutorial''' on '''Audio and Output settings'''
+
|| Welcome to the '''spoken tutorial''' on '''Audio and Output settings.'''
 
|-  
 
|-  
 
|| '''Slide''': Learning Objectives
 
|| '''Slide''': Learning Objectives
Line 16: Line 16:
 
* '''Video settings'''
 
* '''Video settings'''
 
* '''Output settings''' and
 
* '''Output settings''' and
−
* '''Audio settings'''
+
* '''Audio settings.'''
  
 
|-  
 
|-  
Line 26: Line 26:
 
* '''Microsoft Windows 8''' or higher versions
 
* '''Microsoft Windows 8''' or higher versions
 
* '''GNU/Linux OS 18.04 '''or higher''' '''and
 
* '''GNU/Linux OS 18.04 '''or higher''' '''and
−
* '''Mac OS X 10.13 '''or higher versions
+
* '''Mac OS X 10.13 '''or higher versions.
  
 
|-  
 
|-  
 
|| Slide:  
 
|| Slide:  
 
|| This tutorial is recorded using
 
|| This tutorial is recorded using
−
* '''Windows 10'''  
+
* '''Windows 10'''
 +
* '''OBS version 27.0.1'''  
 
* and '''Firefox web browser'''.
 
* and '''Firefox web browser'''.
  
Line 40: Line 41:
 
|| In order to produce '''high-quality videos''', it is important to understand:
 
|| In order to produce '''high-quality videos''', it is important to understand:
  
−
* How'''video resolution''' matches to '''canvas aspect ratio '''and
+
* How '''video resolution''' matches to '''canvas aspect ratio '''and
 
* How to avoid '''resampling audio tracks'''.
 
* How to avoid '''resampling audio tracks'''.
  
Line 49: Line 50:
 
* Its width and height in '''pixels''' is called ''''Video Resolution''''.
 
* Its width and height in '''pixels''' is called ''''Video Resolution''''.
 
* Usually, a video plays in '''full resolution''' on the '''screen'''.
 
* Usually, a video plays in '''full resolution''' on the '''screen'''.
−
* It is wise to make '''videos compatible''' with common '''video players'''. For eg:'''VLC Player'''
+
* It is wise to make '''videos compatible''' with common '''video players'''. For eg:'''VLC Player.'''
  
 
|-  
 
|-  
Line 67: Line 68:
 
Please do so on your system.
 
Please do so on your system.
 
|-  
 
|-  
−
|| Click on the '''Settings''' button
+
|| Click on the '''Settings''' button.
  
−
Point towards the '''Settings''' dialog box
+
Point towards the '''Settings''' dialog box.
 
|| At the bottom right, click on the '''Settings''' button.
 
|| At the bottom right, click on the '''Settings''' button.
  
 
The '''Settings''' dialog box pops up.
 
The '''Settings''' dialog box pops up.
 
|-  
 
|-  
−
|| Click on the '''Video''' tab
+
|| Click on the '''Video''' tab.
  
−
Hover over each option as per the narration
+
Hover over each option as per the narration.
 
|| On the left side panel, click on the '''Video''' tab.
 
|| On the left side panel, click on the '''Video''' tab.
  
Line 96: Line 97:
 
It is the '''rate''' at which OBS Studio will '''render''' its output.
 
It is the '''rate''' at which OBS Studio will '''render''' its output.
 
|-  
 
|-  
−
|| Click on the drop down next to '''Base (Canvas) Resolution'''
+
|| Click on the drop down next to '''Base (Canvas) Resolution.'''
  
 
Select '''1920 x 1080'''
 
Select '''1920 x 1080'''
Line 114: Line 115:
 
So, I will type '''1920 x 1080''' here.
 
So, I will type '''1920 x 1080''' here.
 
|-  
 
|-  
−
|| Click on the drop down next to '''Downscale Filter '''>> select '''Bilinear'''
+
|| Click on the drop down next to '''Downscale Filter '''>> select '''Bilinear.'''
  
 
Select '''30fps'''
 
Select '''30fps'''
Line 121: Line 122:
 
Under '''Common FPS Values, '''I will select '''30fps.'''
 
Under '''Common FPS Values, '''I will select '''30fps.'''
 
|-  
 
|-  
−
|| Click on the '''Apply''' button >> click on the '''OK''' button
+
|| Click on the '''Apply''' button >> click on the '''OK''' button.
 
|| Click on the '''Apply''' button and then on the '''OK''' button at the bottom of the window.
 
|| Click on the '''Apply''' button and then on the '''OK''' button at the bottom of the window.
 
|-  
 
|-  
−
|| '''Controls >> Start Recording''' button
+
|| '''Controls >> Start Recording''' button.
  
 
|| Under the '''Controls''' panel on the right, click on the '''Start Recording''' button.  
 
|| Under the '''Controls''' panel on the right, click on the '''Start Recording''' button.  
Line 137: Line 138:
 
||  
 
||  
  
−
Click on the '''Stop Recording '''button
+
Click on the '''Stop Recording '''button.
 
|| After '''recording''' is done, switch back to the '''OBS''' window.
 
|| After '''recording''' is done, switch back to the '''OBS''' window.
  
Line 144: Line 145:
 
|| Click on '''File'''
 
|| Click on '''File'''
  
−
Click on '''Show Recordings'''
+
Click on '''Show Recordings'''.
 
|| To locate the '''recording''', click on the '''File''' menu on the top left of the '''OBS''' interface.
 
|| To locate the '''recording''', click on the '''File''' menu on the top left of the '''OBS''' interface.
  
 
Click on '''Show Recordings.'''
 
Click on '''Show Recordings.'''
 
|-  
 
|-  
−
|| Right-click on it >> '''Open with''' option
+
|| Right-click on it >> '''Open with''' option.
  
 
Select '''VLC player'''
 
Select '''VLC player'''
Line 169: Line 170:
  
  
−
Point towards settings dialog box
+
Point towards settings dialog box.
−
|| Go back to the'''OBS''' window.
+
|| Go back to the '''OBS''' window.
  
 
At the bottom right under '''Controls, '''click on the '''Settings''' button.
 
At the bottom right under '''Controls, '''click on the '''Settings''' button.
Line 176: Line 177:
 
The '''Settings''' dialog box pops up.
 
The '''Settings''' dialog box pops up.
 
|-  
 
|-  
−
|| Click on the Video tab
+
|| Click on the Video tab.
  
−
Under''' Downscale Filter '''select''' Lanczos'''
+
Under''' Downscale Filter '''select''' Lanczos.'''
 
|| On the left panel, click on the '''Video''' tab.
 
|| On the left panel, click on the '''Video''' tab.
  
 
Under''' Downscale Filter, '''select''' Lanczos.'''
 
Under''' Downscale Filter, '''select''' Lanczos.'''
 
|-  
 
|-  
−
|| Click on the '''Apply''' button >> click on the '''OK''' button
+
|| Click on the '''Apply''' button >> click on the '''OK''' button.
 
|| Click on the '''Apply''' button and then on the '''OK''' button at the bottom of the dialog box.
 
|| Click on the '''Apply''' button and then on the '''OK''' button at the bottom of the dialog box.
 
|-  
 
|-  
−
|| Controls>>Start Recording button
+
|| Controls>>Start Recording button.
 
|| Under the '''Controls''' panel on the right side, click on the '''Start Recording''' button.
 
|| Under the '''Controls''' panel on the right side, click on the '''Start Recording''' button.
 
|-  
 
|-  
Line 198: Line 199:
 
||  
 
||  
  
−
Click on the '''Stop Recording '''button
+
Click on the '''Stop Recording '''button.
 
|| After '''recording''' is done, switch back to the '''OBS''' window.
 
|| After '''recording''' is done, switch back to the '''OBS''' window.
  
Line 205: Line 206:
 
|| Click on '''File >> '''Click on '''Show Recordings'''
 
|| Click on '''File >> '''Click on '''Show Recordings'''
  
−
Right-click on it >> '''Open with''' option >> Select '''VLC'''
+
Right-click on it >> '''Open with''' option >> Select '''VLC'''.
 
|| At the top left, click on the '''File menu''' and select '''Show Recordings.'''
 
|| At the top left, click on the '''File menu''' and select '''Show Recordings.'''
  
 
'''Play''' the '''video''' as demonstrated earlier.
 
'''Play''' the '''video''' as demonstrated earlier.
 
|-  
 
|-  
−
|| Point towards the video
+
|| Point towards the video.
 
|| Notice, the '''quality''' of the '''video''' has changed and the '''file size''' has increased.
 
|| Notice, the '''quality''' of the '''video''' has changed and the '''file size''' has increased.
 
|-  
 
|-  
−
|| Point towards '''Downscale filter''' option
+
|| Point towards '''Downscale filter''' option.
 
|| Depending on the '''video quality''' and '''file size''' we can adjust the '''Downscale filter''' option.
 
|| Depending on the '''video quality''' and '''file size''' we can adjust the '''Downscale filter''' option.
  
Line 226: Line 227:
 
||  
 
||  
  
−
Switch to '''OBS''' >> click on '''Settings'''
+
Switch to '''OBS''' >> click on '''Settings.'''
  
−
Point towards settings dialog box
+
Point towards settings dialog box.
−
|| Go back to the'''OBS''' window.
+
|| Go back to the '''OBS''' window.
  
 
At the bottom right under '''Controls, '''click on the '''Settings''' button.
 
At the bottom right under '''Controls, '''click on the '''Settings''' button.
Line 235: Line 236:
 
The '''Settings''' dialog box pops up.
 
The '''Settings''' dialog box pops up.
 
|-  
 
|-  
−
|| Click on the '''Audio''' tab
+
|| Click on the '''Audio''' tab.
  
 
Select''' 44.1khz '''and''' Stereo'''
 
Select''' 44.1khz '''and''' Stereo'''
  
−
Point towards '''Global Audio Devices''' by default '''Desktop Audio'''
+
Point towards '''Global Audio Devices''' by default '''Desktop Audio'''.
  
 
|| On the left panel, click on the '''Audio''' tab.
 
|| On the left panel, click on the '''Audio''' tab.
Line 252: Line 253:
 
|| '''Mic/Auxiliary Audio''' is set to '''Default '''and everything else is '''Disabled.'''
 
|| '''Mic/Auxiliary Audio''' is set to '''Default '''and everything else is '''Disabled.'''
 
|-  
 
|-  
−
|| Click on the '''Apply''' button>> click on the '''OK''' button
+
|| Click on the '''Apply''' button>> click on the '''OK''' button.
 
|| Click on the '''OK''' button.
 
|| Click on the '''OK''' button.
 
|-  
 
|-  
−
|| Point towards the '''Restart OBS''' dialog box  
+
|| Point towards the '''Restart OBS''' dialog box.
  
−
Click on the '''Yes''' button
+
Click on the '''Yes''' button.
 
|| The '''Restart OBS''' dialog box pops up.
 
|| The '''Restart OBS''' dialog box pops up.
  
 
Here, click on the '''Yes''' button.
 
Here, click on the '''Yes''' button.
 
|-  
 
|-  
−
|| Point towards '''OBS is already running''' dialog box
+
|| Slide '''OBS does not restart'''
−
 
+
−
Click on the'''Launch anyway''' button
+
 
|| If '''OBS''' doesn’t '''restart''' correctly, the “'''OBS is already running”''' dialog box appears.
 
|| If '''OBS''' doesn’t '''restart''' correctly, the “'''OBS is already running”''' dialog box appears.
  
Line 273: Line 272:
 
|-  
 
|-  
 
|  | Only narration
 
|  | Only narration
−
|| Next, let's learn to add '''filters''' to our'''Audio.'''
+
|| Next, let's learn to add '''filters''' to our '''Audio.'''
 
|-  
 
|-  
 
|| Select '''Scene 002'''.
 
|| Select '''Scene 002'''.
  
−
'''Sources''' panel select the '''Arvind’s external mic'''
+
'''Sources''' panel select the '''Arvind’s external mic.'''
 
|| Select '''Scene 002'''.
 
|| Select '''Scene 002'''.
  
Line 284: Line 283:
 
|| '''Audio mixer panel, '''the''' Device '''option is set to''' Default.'''
 
|| '''Audio mixer panel, '''the''' Device '''option is set to''' Default.'''
  
−
Select''' Microphone (Realtek High Definition Audio)'''
+
Select''' Microphone (Realtek High Definition Audio).'''
 
|| Above the''' Audio mixer panel, '''the''' Device '''option is set to''' Default.'''
 
|| Above the''' Audio mixer panel, '''the''' Device '''option is set to''' Default.'''
  
Line 293: Line 292:
 
||  
 
||  
  
−
Point towards thenew '''Audio''' track  
+
Point towards thenew '''Audio''' track.
 
|| It may vary depending on your '''system settings''' and the '''headset '''you are using.
 
|| It may vary depending on your '''system settings''' and the '''headset '''you are using.
  
 
Note: If no '''Audio''' is detected, check your '''system settings''' and add an '''audio input'''.
 
Note: If no '''Audio''' is detected, check your '''system settings''' and add an '''audio input'''.
 
|-  
 
|-  
−
|| Click on'''Start recording '''button
+
|| Click on'''Start recording '''button.
−
|| Now click on the'''Start recording''' button at the bottom right.
+
|| Now click on the '''Start recording''' button at the bottom right.
  
−
I will narrate the following sentences “'''Welcome to the spoken tutorial on Audio and Output settings'''
+
I will narrate the following sentences “'''Welcome to the spoken tutorial on Audio and Output settings.'''
  
  
Line 307: Line 306:
 
* '''Video settings'''
 
* '''Video settings'''
 
* '''Output Settings'''
 
* '''Output Settings'''
−
* '''Audio settings'''
+
* '''Audio settings.'''
  
 
|-  
 
|-  
−
|| Click on the '''Stop recording '''button
+
|| Click on the '''Stop recording '''button.
 
|| Click on the '''Stop recording '''button.
 
|| Click on the '''Stop recording '''button.
 
|-  
 
|-  
−
|| Click on'''File >> Show recordings'''
+
|| Click on'''File >> Show recordings.'''
  
 
|| Then click on the '''File''' menu at the top left of the '''OBS''' interface.
 
|| Then click on the '''File''' menu at the top left of the '''OBS''' interface.
Line 327: Line 326:
 
We will remove this by adding some '''filters''' to our '''audio'''.
 
We will remove this by adding some '''filters''' to our '''audio'''.
 
|-  
 
|-  
−
|| Click the '''gear''' icon next to the '''volume''' button  
+
|| Click the '''gear''' icon next to the '''volume''' button.
  
 
>>Select '''Filters'''
 
>>Select '''Filters'''
Line 337: Line 336:
 
|| '''Filters for ‘Arvind’s external mic’''' window appears.
 
|| '''Filters for ‘Arvind’s external mic’''' window appears.
 
|-  
 
|-  
−
|| Left side >> click the '''+''' button >> Select the '''Noise suppression''' filter  
+
|| Left side >> click the '''+''' button >> Select the '''Noise suppression''' filter.
 
|| To add a '''filter''', click the '''+ plus''' button on the left side of the window.
 
|| To add a '''filter''', click the '''+ plus''' button on the left side of the window.
  
Line 344: Line 343:
 
|| Point towards '''Filter name'''
 
|| Point towards '''Filter name'''
  
−
click on the '''OK''' button
+
click on the '''OK''' button.
 
|| A dialog box saying “'''Filter Name”''' appears.
 
|| A dialog box saying “'''Filter Name”''' appears.
  
Line 359: Line 358:
 
|| Point towards '''Filter Name'''
 
|| Point towards '''Filter Name'''
  
−
Click on the '''OK''' button
+
Click on the '''OK''' button.
 
|| A dialog box saying '''“Filter Name”''' appears.
 
|| A dialog box saying '''“Filter Name”''' appears.
  
Line 365: Line 364:
 
I will keep the name as it is and click on the '''OK''' button.
 
I will keep the name as it is and click on the '''OK''' button.
 
|-  
 
|-  
−
|| Hover over each option
+
|| Hover over each option.
 
|| Here we see different options with adjusting '''levels.'''
 
|| Here we see different options with adjusting '''levels.'''
  
 
We will keep them as they are.
 
We will keep them as they are.
 
|-  
 
|-  
−
|| Click on the '''Close''' button
+
|| Click on the '''Close''' button.
 
|| And click on the '''Close''' button at the bottom of the window.
 
|| And click on the '''Close''' button at the bottom of the window.
 
|-  
 
|-  
−
|| Click on '''Start recording '''button >> Narrate  
+
|| Click on '''Start recording '''button >> Narrate.
 
|| Now click on the '''Start recording '''button.
 
|| Now click on the '''Start recording '''button.
  
Line 386: Line 385:
 
|-  
 
|-  
 
|  |  
 
|  |  
−
|| Notice the difference in the'''audio'''.
+
|| Notice the difference in the '''audio'''.
 
|-  
 
|-  
 
|| Only narration
 
|| Only narration
Line 397: Line 396:
  
 
* '''Video settings'''
 
* '''Video settings'''
−
* '''Output settings '''and
+
* '''Output settings ''' and
−
* '''Audio settings'''
+
* '''Audio settings.'''
  
 
|-  
 
|-  
Line 405: Line 404:
 
|| As an assignment
 
|| As an assignment
  
−
* Try different '''Base (Canvas) Resolution '''and''' Output (Scaled) Resolution settings'''
+
* Try different '''Base (Canvas) Resolution '''and''' Output (Scaled) Resolution settings.'''
 
* Use the '''Downscale filter''' and note the difference in the '''quality''' of the output.
 
* Use the '''Downscale filter''' and note the difference in the '''quality''' of the output.
 
* Add other '''Noise filters''' to your '''audio''' and make a note of the difference.
 
* Add other '''Noise filters''' to your '''audio''' and make a note of the difference.
Line 426: Line 425:
 
|-  
 
|-  
 
|| '''Slide''': Acknowledgement
 
|| '''Slide''': Acknowledgement
−
|| Spoken Tutorial project is funded by the Ministry of Education (MoE), Govt. of India
+
|| Spoken Tutorial project is funded by the Ministry of Education (MoE), Govt. of India.
 
|-
 
|-
 
|  |  
 
|  |  

Latest revision as of 15:27, 29 November 2021

Title: Audio and Output settings

Author: Nikita Misal


Visual Cue Narration
Slide: Title Welcome to the spoken tutorial on Audio and Output settings.
Slide: Learning Objectives In this tutorial, we will learn to configure:
  • Video settings
  • Output settings and
  • Audio settings.
Slide: OS and Versions


OBS Studio can run on any of the following operating systems:
  • Microsoft Windows 8 or higher versions
  • GNU/Linux OS 18.04 or higher and
  • Mac OS X 10.13 or higher versions.
Slide: This tutorial is recorded using
  • Windows 10
  • OBS version 27.0.1
  • and Firefox web browser.

You can use any web browser of your choice.

Slide: High Quality videos In order to produce high-quality videos, it is important to understand:
  • How video resolution matches to canvas aspect ratio and
  • How to avoid resampling audio tracks.
Slide: What is Video resolution
  • Video resolution is the image size visible to the viewer.
  • Its width and height in pixels is called 'Video Resolution'.
  • Usually, a video plays in full resolution on the screen.
  • It is wise to make videos compatible with common video players. For eg:VLC Player.
Slide: What is Audio Sample rate What is Audio Sample rate?
  • Each sound stream consists of a number of digit samples flow.
  • That number must exceed at least twice the highest frequency of the sound stream.
  • Human ears can recognize frequencies upto 20000 Hz.
  • Hence, the most common audio sample rates are 44100 Hz and 48000 Hz.
Only Narration Now let us learn how to set video resolution for our recording.

I have already opened the OBS studio interface in my system.

Please do so on your system.

Click on the Settings button.

Point towards the Settings dialog box.

At the bottom right, click on the Settings button.

The Settings dialog box pops up.

Click on the Video tab.

Hover over each option as per the narration.

On the left side panel, click on the Video tab.

Under the Video tab on the right side, 4 options are displayed.

Slide: Video Options Base (Canvas) Resolution defines the Canvas preview aspect ratio and Canvas size.

Output (Scaled) Resolution defines the main Output resolution.

Downscale Filter specifies the filters used in scale operations.

This filter changes how OBS shrinks the video.

It decides what details are to be kept and which to discard in the video.

Common FPS Values specifies sets of frame rates (fps).

It is the rate at which OBS Studio will render its output.

Click on the drop down next to Base (Canvas) Resolution.

Select 1920 x 1080

Now on the OBS interface, click on the drop-down next to Base (Canvas) Resolution.

Resolution options are displayed.

I will select 1920 x 1080.

Type, 1920 x 1080

Next, we will change the value of our Output (Scaled) Resolution.

We want our output to be the same size as the Canvas resolution.

So, I will type 1920 x 1080 here.

Click on the drop down next to Downscale Filter >> select Bilinear.

Select 30fps

Click on the drop-down next to Downscale Filter and select Bilinear.

Under Common FPS Values, I will select 30fps.

Click on the Apply button >> click on the OK button. Click on the Apply button and then on the OK button at the bottom of the window.
Controls >> Start Recording button. Under the Controls panel on the right, click on the Start Recording button.

Minimize the screen and record any other window of your choice.

Open Firefox web browser >> Spoken Tutorial website. I am recording my Firefox web browser screen.

I will briefly record the Spoken Tutorial website.

Click on the Stop Recording button.

After recording is done, switch back to the OBS window.

And click on the Stop Recording button.

Click on File

Click on Show Recordings.

To locate the recording, click on the File menu on the top left of the OBS interface.

Click on Show Recordings.

Right-click on it >> Open with option.

Select VLC player

To view the recording, first right-click on it and from the context menu, select Open with option.

From the sub-menu, select any Player available on your system.

I will select VLC player.

Only narration Notice that the video is not very clear even in 1920 x 1080 resolution.

The Downscale Filter has degraded the output quality.

This is done in order to render the video quickly.

Switch to OBS >> click on Settings


Point towards settings dialog box.

Go back to the OBS window.

At the bottom right under Controls, click on the Settings button.

The Settings dialog box pops up.

Click on the Video tab.

Under Downscale Filter select Lanczos.

On the left panel, click on the Video tab.

Under Downscale Filter, select Lanczos.

Click on the Apply button >> click on the OK button. Click on the Apply button and then on the OK button at the bottom of the dialog box.
Controls>>Start Recording button. Under the Controls panel on the right side, click on the Start Recording button.

Open Firefox web browser >> Spoken Tutorial website.

Now, go to the same screen as we did earlier.

Here, I have already opened the Spoken tutorial website.

Click on the Stop Recording button.

After recording is done, switch back to the OBS window.

And click on the Stop Recording button.

Click on File >> Click on Show Recordings

Right-click on it >> Open with option >> Select VLC.

At the top left, click on the File menu and select Show Recordings.

Play the video as demonstrated earlier.

Point towards the video. Notice, the quality of the video has changed and the file size has increased.
Point towards Downscale filter option. Depending on the video quality and file size we can adjust the Downscale filter option.

Downscale filter can be adjusted according to:

  • Video quality
  • File size
Only narration Next, let’s learn about Audio properties in OBS.

Switch to OBS >> click on Settings.

Point towards settings dialog box.

Go back to the OBS window.

At the bottom right under Controls, click on the Settings button.

The Settings dialog box pops up.

Click on the Audio tab.

Select 44.1khz and Stereo

Point towards Global Audio Devices by default Desktop Audio.

On the left panel, click on the Audio tab.

Under the General section, let’s use Sample rate of 44.1 kHz and Channels as Stereo.

In my case under Global Audio Devices by default Desktop Audio is set to Default.

It may vary depending on your system settings.

Point towards Mic/Auxiliary Audio Mic/Auxiliary Audio is set to Default and everything else is Disabled.
Click on the Apply button>> click on the OK button. Click on the OK button.
Point towards the Restart OBS dialog box.

Click on the Yes button.

The Restart OBS dialog box pops up.

Here, click on the Yes button.

Slide OBS does not restart If OBS doesn’t restart correctly, the “OBS is already running” dialog box appears.

Here, click on the Launch anyway button.

We see that the OBS window restarts with our new configuration.
Only narration Next, let's learn to add filters to our Audio.
Select Scene 002.

Sources panel select the Arvind’s external mic.

Select Scene 002.

In the Sources panel, select Arvind’s external mic.

Audio mixer panel, the Device option is set to Default.

Select Microphone (Realtek High Definition Audio).

Above the Audio mixer panel, the Device option is set to Default.

Click on the drop-down next to Default.

Then select Microphone (Realtek High Definition Audio).

Point towards thenew Audio track.

It may vary depending on your system settings and the headset you are using.

Note: If no Audio is detected, check your system settings and add an audio input.

Click onStart recording button. Now click on the Start recording button at the bottom right.

I will narrate the following sentences “Welcome to the spoken tutorial on Audio and Output settings.


In this tutorial, we will learn:

  • Video settings
  • Output Settings
  • Audio settings.
Click on the Stop recording button. Click on the Stop recording button.
Click onFile >> Show recordings. Then click on the File menu at the top left of the OBS interface.

Click on Show Recordings.

Right click on it >> Open with option >> Select VLC Play the video as demonstrated earlier.
Point towards the audio Notice that the audio has disturbance in it.

We will remove this by adding some filters to our audio.

Click the gear icon next to the volume button.

>>Select Filters

In the Audio Mixer window, click the gear icon next to the volume button.

From the context menu, select Filters.

Point towards Audio Input Capture Filters for ‘Arvind’s external mic’ window appears.
Left side >> click the + button >> Select the Noise suppression filter. To add a filter, click the + plus button on the left side of the window.

Let us select the Noise suppression filter.

Point towards Filter name

click on the OK button.

A dialog box saying “Filter Name” appears.

I will keep the name as it is and click on the OK button.

Right side >> click on Method drop-down >> select RNNoise On the right side, click on the drop-down next to the Method option.

Here, we will select RNNoise.

Click on the + button >> Select the Compressor filter Then again click on the + plus button on the left side and select the Compressor filter.
Point towards Filter Name

Click on the OK button.

A dialog box saying “Filter Name” appears.


I will keep the name as it is and click on the OK button.

Hover over each option. Here we see different options with adjusting levels.

We will keep them as they are.

Click on the Close button. And click on the Close button at the bottom of the window.
Click on Start recording button >> Narrate. Now click on the Start recording button.

I will again narrate the same sentences as earlier.

Stop recording >> File >>Show recordings

Right-click on it >> Open with option >> Select VLC player

Then click on the Stop recording button.

And play the recording as demonstrated earlier.

Notice the difference in the audio.
Only narration This brings us to the end of this tutorial.

Let us summarize.

Slide: Summary In this tutorial, we learnt how to configure:
  • Video settings
  • Output settings and
  • Audio settings.
Slide: Assignment As an assignment
  • Try different Base (Canvas) Resolution and Output (Scaled) Resolution settings.
  • Use the Downscale filter and note the difference in the quality of the output.
  • Add other Noise filters to your audio and make a note of the difference.
Slide: About Spoken Tutorial Project
  • The video at the following link summarises the Spoken Tutorial project.
  • Please download and watch it.
Slide: Spoken tutorial workshops
  • We conduct workshops using spoken tutorials and give certificates.
  • For more details, please contact us.
Slide: Answers for THIS Spoken Tutorial Pls post your timed queries in this forum.
Slide: Acknowledgement Spoken Tutorial project is funded by the Ministry of Education (MoE), Govt. of India.
This is Arvind Pillai along with Nikita Misal from IIT Bombay signing off.

Thank you for joining.

Contributors and Content Editors

Arvindpillai90, Nancyvarkey, PoojaMoolya

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